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Analysis

  • max time kernel
    148s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 11:06

General

  • Target

    c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c.exe

  • Size

    70KB

  • MD5

    8f85727a9c588760c35b07e5b8fdef95

  • SHA1

    6e868ad886e80b77917ed4d6533f1cf532c4501a

  • SHA256

    c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c

  • SHA512

    2645b820a7e1a04353553895add314052fc791eb8e4e6ac10adfff010b9438b27e9b4c1b02b9f089044d532ed42237b4ff388cec256cbfdb58baca621e929ddb

  • SSDEEP

    1536:rXDZWlNkY/NAfA74SLLz283tkAz857lqjFmM1xd7AZ/BV9Qbg:rX1WlVCBsX9PMEBc1l

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 44 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c.exe
    "C:\Users\Admin\AppData\Local\Temp\c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe
      "C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe"
      2⤵
      • Modifies system executable filetype association
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Sets file execution options in registry
      • Drops startup file
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe

    Filesize

    70KB

    MD5

    8f85727a9c588760c35b07e5b8fdef95

    SHA1

    6e868ad886e80b77917ed4d6533f1cf532c4501a

    SHA256

    c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c

    SHA512

    2645b820a7e1a04353553895add314052fc791eb8e4e6ac10adfff010b9438b27e9b4c1b02b9f089044d532ed42237b4ff388cec256cbfdb58baca621e929ddb

  • C:\Program Files (x86)\Common Files\microsoft shared\explorer.exe

    Filesize

    70KB

    MD5

    8f85727a9c588760c35b07e5b8fdef95

    SHA1

    6e868ad886e80b77917ed4d6533f1cf532c4501a

    SHA256

    c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c

    SHA512

    2645b820a7e1a04353553895add314052fc791eb8e4e6ac10adfff010b9438b27e9b4c1b02b9f089044d532ed42237b4ff388cec256cbfdb58baca621e929ddb

  • \Program Files (x86)\Common Files\microsoft shared\explorer.exe

    Filesize

    70KB

    MD5

    8f85727a9c588760c35b07e5b8fdef95

    SHA1

    6e868ad886e80b77917ed4d6533f1cf532c4501a

    SHA256

    c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c

    SHA512

    2645b820a7e1a04353553895add314052fc791eb8e4e6ac10adfff010b9438b27e9b4c1b02b9f089044d532ed42237b4ff388cec256cbfdb58baca621e929ddb

  • \Program Files (x86)\Common Files\microsoft shared\explorer.exe

    Filesize

    70KB

    MD5

    8f85727a9c588760c35b07e5b8fdef95

    SHA1

    6e868ad886e80b77917ed4d6533f1cf532c4501a

    SHA256

    c0d2835ed1ba24be8bc7822f7a4dc065730952cf829bc8ec53efd52c4a8ec96c

    SHA512

    2645b820a7e1a04353553895add314052fc791eb8e4e6ac10adfff010b9438b27e9b4c1b02b9f089044d532ed42237b4ff388cec256cbfdb58baca621e929ddb

  • \Program Files (x86)\Common Files\uiui8.dll

    Filesize

    17KB

    MD5

    bd5a19c3d0ad757b37dcaedce6869d1a

    SHA1

    1d0ac02fab810a042d68e515774d2f420af7c037

    SHA256

    936118b10ccc2682c4382ee5273a61570767a64a8d31dc080528a7efb76872b4

    SHA512

    9ff9d65f5935445f62fc8616fed791233b66dc07ccd52c3e7978895169fb828058bbc88a1d022ebfc27906b92b6a1973e9f19c35494ec6fcdef101c1f7a6cea6

  • memory/1204-60-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1204-61-0x0000000002360000-0x00000000023B0000-memory.dmp

    Filesize

    320KB

  • memory/1204-62-0x0000000002360000-0x00000000023B0000-memory.dmp

    Filesize

    320KB

  • memory/1204-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/1204-65-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1776-63-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1776-67-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB